Characteristics of commonly used lubricating grease varieties
2020-06-04 18:01:44
1. Calcium-based grease:
Good water resistance, but poor heat resistance, the maximum use temperature: 60 ℃. Price: low.
2. Sodium-based grease:
Water resistance is extremely poor, heat resistance and rust resistance are average, generally used at about 80 °C, and the price is low.
3. Aluminum base grease:
Good rust resistance, poor heat resistance and water resistance, maximum use temperature of 50 ℃, low price.
4. General-purpose lithium-based grease:
Good heat resistance, water resistance, good rust resistance, the maximum operating temperature is 120 ℃, and the price is moderate.
5. Extreme pressure lithium base grease:
Good heat resistance, water resistance, good rust resistance, good extreme pressure performance, the maximum operating temperature of 120 ℃, suitable for the lubrication of mechanical equipment and bearings and gears with high load. fair price.
6. Molybdenum disulfide extreme pressure lithium grease:
Good heat resistance, water resistance, good rust resistance, good extreme pressure performance, the maximum operating temperature of 120 ℃, suitable for parts with high load or shock load. fair price.
7. Bentonite grease:
Good heat resistance, good water resistance, poor rust resistance, the maximum operating temperature is around 130 ℃, and the price is relatively high.
8. Complex calcium grease:
Good heat resistance, water resistance, rust resistance, good mechanical stability (shear resistance), the highest use is around 130 ℃, and the price is high.
9. Extreme pressure lithium complex grease:
It has good heat resistance, water resistance, rust resistance, mechanical stability and extreme pressure, and can be used at a maximum of 160 °C.
10. Polyurea grease:
Good heat resistance, good oxidation resistance, good water resistance, good extreme pressure, long bearing life, and certain radiation resistance. It is a new type of grease product. At present, there is no national standard or industry standard . Prices are high.